Home / 14,630.90-20,192.18-8,969.44

Finding the Fourth Proportional to 14,630.90, 20,192.18 and 8,969.44

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Solution

The fourth proportional to 14,630.90, 20,192.18 and 8,969.44 is: 12,378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,630.90 : 20,192.18 = 8,969.44 : x
  2. Step 2: Convert to fraction form
    14,630.90/20,192.18 = 8,969.44/x
  3. Step 3: Cross multiply
    14,630.90x = 20,192.18 × 8,969.44
  4. Step 4: Simplify right side
    14,630.90x = 181,112,546.98
  5. Step 5: Solve for x
    x = 181,112,546.98/14,630.90
  6. Step 6: Final answer
    x = 12,378.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.